Antich is a surname of Catalan origin. Notable people with the surname include:
Francesc Antich (1958–2025), Venezuelan-born Spanish politician Mónica Antich (born 1966), Spanish synchronized swimmer Xavier Antich (born 1962), Catalan philosopher, writer, and university professor
See also Fernándo Ochoa Antich (born 1938), Venezuelan lawyer, diplomat and politician, and retired general Salvador Puig Antich (1948–1974), Spanish militant anarchist